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{
  "configurations" : [
    {
      "globalnagios-env" : {
        "nagios_contact": "me@my-awesome-domain.example"
      }
    }
  ],
  "host_groups" : [
    {
      "name" : "host_group_1",      
      "components" : [
        {
          "name" : "NAMENODE"
        },
        {
          "name" : "SECONDARY_NAMENODE"
        },        
        {
          "name" : "DATANODE"
        },
        {
          "name" : "HDFS_CLIENT"
        },
        {
          "name" : "RESOURCEMANAGER"
        },
        {
          "name" : "NODEMANAGER"
        },
        {
          "name" : "YARN_CLIENT"
        },
        {
          "name" : "HISTORYSERVER"
        },
        {
          "name" : "MAPREDUCE2_CLIENT"
        },
        {
          "name" : "ZOOKEEPER_SERVER"
        },
        {
          "name" : "ZOOKEEPER_CLIENT"
        },
        {
          "name" : "GANGLIA_SERVER"
        },
        {
          "name" : "NAGIOS_SERVER"
        }
      ],
      "cardinality" : "1"
    }
  ],
  "Blueprints" : {
    "stack_name" : "HDP",
    "stack_version" : "2.0"
  }
}

{
  "host_groups" : [
    {
      "name" : "master",
      "configurations" : [
        {
          "globalnagios-env" : {
            "nagios_contact": "me@my-awesome-domain.example"
          }
        }
      ],
      "components" : [
        {
          "name" : "NAMENODE"
        },
        {
          "name" : "SECONDARY_NAMENODE"
        },        
        {
          "name" : "RESOURCEMANAGER"
        },
        {
          "name" : "HISTORYSERVER"
        },
        {
          "name" : "NAGIOS_SERVER"
        },
        {
          "name" : "GANGLIA_SERVER"
        },
        {
          "name" : "ZOOKEEPER_SERVER"
        }
      ],
      "cardinality" : "1"
    },
    {
      "name" : "slaves",
      "components" : [
        {
          "name" : "DATANODE"
        },
        {
          "name" : "HDFS_CLIENT"
        },
        {
          "name" : "NODEMANAGER"
        },
        {
          "name" : "YARN_CLIENT"
        },
        {
          "name" : "MAPREDUCE2_CLIENT"
        },
        {
          "name" : "ZOOKEEPER_CLIENT"
        }
      ],
      "cardinality" : "1+"
    }
  ],
  "Blueprints" : {
    "stack_name" : "HDP",
    "stack_version" : "2.0"
  }
}